package com.sky.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.sky.constant.MessageConstant;
import com.sky.dto.UserLoginDTO;
import com.sky.entity.User;
import com.sky.exception.LoginFailedException;
import com.sky.mapper.UserMapper;
import com.sky.properties.WeChatProperties;
import com.sky.result.Result;
import com.sky.service.UserService;
import com.sky.utils.HttpClientUtil;
import com.sky.vo.UserLoginVO;
import lombok.extern.slf4j.Slf4j;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutionException;

@Service
@Slf4j
public class UserServiceImpl implements UserService {
    static final String URL = "https://api.weixin.qq.com/sns/jscode2session";

    @Autowired
    private WeChatProperties weChatProperties;

    @Autowired
    private UserMapper userMapper;
    /**
     * 登录
     * @param userLoginDTO
     * @return
     */
    @Override

    public User login(UserLoginDTO userLoginDTO) {
        String openid = getOpenid(userLoginDTO.getCode());
        System.out.println("openid:{}"+openid);

        if(openid == null){
            throw new LoginFailedException(MessageConstant.LOGIN_FAILED);
        }
        //查询openid是否存在
        User user = userMapper.getByOpenid(openid);
        //若不存在 创建用户
        if (user==null){
            user = User.builder()
                    .openid(openid)
                    .createTime(LocalDateTime.now())
                    .build();
            userMapper.insert(user);
        }


        return user;
    }
    /**
     * 调用微信接口
     */
    private String getOpenid(String code) {
        //调用微信接口服务
        Map map = new HashMap();
        map.put("appid", weChatProperties.getAppid());
        map.put("secret", weChatProperties.getSecret());
        map.put("js_code", code);
        map.put("grant_type", "authorization_code");
        String s = HttpClientUtil.doGet(URL, map);
        System.out.println("1111:"+s);
        //获取openid
        JSONObject jsonObject = JSONObject.parseObject(s);
        String openid = jsonObject.getString("openid");
        System.out.println("2222:"+openid);
        return openid;
    }

}
